Skin Color Changes Caused By Anxiety. The hormones released by anxiety affect every organ in the body, and your largest and most sensitive organ isn't your heart or your lungs or your kidneys - it's your skin. So it should come as little surprise that your skin can easily be affected by anxiety, and in some cases these may cause skin color changes.
Best Answer: It is called phloem. In vascular plants, phloem is the living tissue that carries organic nutrients, particularly sucrose, to all parts of the plant where needed. In trees, the phloem is underneath and difficult to distinguish from bark, hence the name, derived from the Greek word phloios for bark.
The petiole is the pipeline through which the products of photosynthesis are moved from individual leaves to the rest of a plant and through which necessary chemicals and nutrients from other parts of the plant (e.g., nutrients absorbed through the roots) are brought to individual leaves.